Home / 6,899.85-10,355.00-5,055.77

Finding the Fourth Proportional to 6,899.85, 10,355.00 and 5,055.77

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Solution

The fourth proportional to 6,899.85, 10,355.00 and 5,055.77 is: 7,587.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,899.85 : 10,355.00 = 5,055.77 : x
  2. Step 2: Convert to fraction form
    6,899.85/10,355.00 = 5,055.77/x
  3. Step 3: Cross multiply
    6,899.85x = 10,355.00 × 5,055.77
  4. Step 4: Simplify right side
    6,899.85x = 52,352,421.30
  5. Step 5: Solve for x
    x = 52,352,421.30/6,899.85
  6. Step 6: Final answer
    x = 7,587.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.